Fig. 2.
Omicron infection rate per 100 person-months for fully and booster vaccinated Health-Care Workers with or without hybrid immunity (by a previous COVID-19 infection) during the follow up period.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.